./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 69a4e17497471d2fff231bad199d28dc26e616d1fdaf7fc57a8b45b8dfdd40ce --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 03:06:34,202 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:06:34,262 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:06:34,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:06:34,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:06:34,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:06:34,287 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:06:34,288 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:06:34,288 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:06:34,288 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:06:34,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:06:34,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:06:34,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:06:34,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:06:34,290 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:06:34,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:06:34,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:06:34,290 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:06:34,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:06:34,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:06:34,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:06:34,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:06:34,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:06:34,290 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:06:34,291 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:06:34,291 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:06:34,291 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:06:34,291 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:06:34,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:06:34,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:06:34,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:06:34,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:06:34,291 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:06:34,291 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:06:34,292 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:06:34,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:06:34,292 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:06:34,292 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:06:34,292 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:06:34,292 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:06:34,292 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69a4e17497471d2fff231bad199d28dc26e616d1fdaf7fc57a8b45b8dfdd40ce [2025-03-04 03:06:34,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:06:34,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:06:34,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:06:34,521 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:06:34,521 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:06:34,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i [2025-03-04 03:06:35,601 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9c1988d1/8d527e63a18e4043bb12e77a2daca604/FLAG6ab9aefbc [2025-03-04 03:06:36,089 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:06:36,090 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i [2025-03-04 03:06:36,125 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9c1988d1/8d527e63a18e4043bb12e77a2daca604/FLAG6ab9aefbc [2025-03-04 03:06:36,136 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9c1988d1/8d527e63a18e4043bb12e77a2daca604 [2025-03-04 03:06:36,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:06:36,140 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:06:36,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:06:36,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:06:36,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:06:36,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:06:36" (1/1) ... [2025-03-04 03:06:36,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f564414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:06:36, skipping insertion in model container [2025-03-04 03:06:36,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:06:36" (1/1) ... [2025-03-04 03:06:36,217 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:06:36,412 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i[4496,4509] [2025-03-04 03:06:36,419 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i[4556,4569] [2025-03-04 03:06:36,952 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:36,953 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:36,953 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:36,953 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:36,954 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:36,965 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:36,966 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:36,968 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:36,968 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:37,346 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:37,346 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:37,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:06:37,483 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:06:37,494 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i[4496,4509] [2025-03-04 03:06:37,495 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i[4556,4569] [2025-03-04 03:06:37,537 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:37,538 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:37,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:37,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:37,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:37,544 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:37,545 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:37,546 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:37,547 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:37,647 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2025-03-04 03:06:37,649 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:37,649 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:06:37,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2025-03-04 03:06:37,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:06:37,875 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:06:37,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:06:37 WrapperNode [2025-03-04 03:06:37,876 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:06:37,878 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:06:37,878 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:06:37,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:06:37,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:06:37" (1/1) ... [2025-03-04 03:06:37,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:06:37" (1/1) ... [2025-03-04 03:06:38,008 INFO L138 Inliner]: procedures = 682, calls = 2798, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 891 [2025-03-04 03:06:38,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:06:38,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:06:38,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:06:38,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:06:38,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:06:37" (1/1) ... [2025-03-04 03:06:38,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:06:37" (1/1) ... [2025-03-04 03:06:38,030 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:06:37" (1/1) ... [2025-03-04 03:06:38,091 INFO L175 MemorySlicer]: Split 549 memory accesses to 6 slices as follows [2, 20, 257, 238, 16, 16]. 47 percent of accesses are in the largest equivalence class. The 33 initializations are split as follows [2, 4, 0, 6, 16, 5]. The 494 writes are split as follows [0, 2, 257, 232, 0, 3]. [2025-03-04 03:06:38,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:06:37" (1/1) ... [2025-03-04 03:06:38,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:06:37" (1/1) ... [2025-03-04 03:06:38,123 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:06:37" (1/1) ... [2025-03-04 03:06:38,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:06:37" (1/1) ... [2025-03-04 03:06:38,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:06:37" (1/1) ... [2025-03-04 03:06:38,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:06:37" (1/1) ... [2025-03-04 03:06:38,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:06:38,144 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:06:38,144 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:06:38,144 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:06:38,144 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:06:37" (1/1) ... [2025-03-04 03:06:38,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:06:38,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:06:38,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 03:06:38,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 03:06:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-04 03:06:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-04 03:06:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 03:06:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 03:06:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-03-04 03:06:38,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-03-04 03:06:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:06:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 03:06:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 03:06:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:06:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:06:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:06:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:06:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:06:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 03:06:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 03:06:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 03:06:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 03:06:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 03:06:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 03:06:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 03:06:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 03:06:38,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 03:06:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 03:06:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:06:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:06:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:06:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:06:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:06:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:06:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 03:06:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:06:38,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:06:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 03:06:38,196 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 03:06:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:06:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:06:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 03:06:38,197 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-03-04 03:06:38,197 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 03:06:38,197 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 03:06:38,197 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:06:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:06:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:06:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 03:06:38,441 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:06:38,443 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:06:38,465 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 03:06:38,484 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-03-04 03:06:38,489 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 03:06:38,517 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7703: havoc #t~nondet817; [2025-03-04 03:06:38,556 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7361: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2025-03-04 03:06:38,568 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 03:06:38,601 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6803: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-03-04 03:06:45,386 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9408: havoc aws_string_eq_byte_buf_#t~mem1318#1;havoc aws_string_eq_byte_buf_#t~mem1319#1.base, aws_string_eq_byte_buf_#t~mem1319#1.offset;havoc aws_string_eq_byte_buf_#t~mem1320#1;havoc aws_string_eq_byte_buf_#t~ret1321#1; [2025-03-04 03:06:45,386 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-04 03:06:45,416 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2025-03-04 03:06:45,416 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:06:45,424 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:06:45,424 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:06:45,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:06:45 BoogieIcfgContainer [2025-03-04 03:06:45,425 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:06:45,427 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:06:45,427 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:06:45,430 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:06:45,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:06:36" (1/3) ... [2025-03-04 03:06:45,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70875fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:06:45, skipping insertion in model container [2025-03-04 03:06:45,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:06:37" (2/3) ... [2025-03-04 03:06:45,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70875fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:06:45, skipping insertion in model container [2025-03-04 03:06:45,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:06:45" (3/3) ... [2025-03-04 03:06:45,432 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_buf_harness.i [2025-03-04 03:06:45,442 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:06:45,444 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_eq_byte_buf_harness.i that has 11 procedures, 130 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-04 03:06:45,486 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:06:45,494 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@46a6b5ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:06:45,494 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 03:06:45,499 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 87 states have (on average 1.264367816091954) internal successors, (110), 88 states have internal predecessors, (110), 31 states have call successors, (31), 10 states have call predecessors, (31), 10 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-03-04 03:06:45,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-04 03:06:45,507 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:06:45,507 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:06:45,508 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:06:45,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:06:45,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1372606289, now seen corresponding path program 1 times [2025-03-04 03:06:45,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:06:45,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774359325] [2025-03-04 03:06:45,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:06:45,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:07:46,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-04 03:07:47,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-04 03:07:47,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:07:47,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:07:48,008 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-03-04 03:07:48,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:07:48,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774359325] [2025-03-04 03:07:48,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774359325] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:07:48,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132008416] [2025-03-04 03:07:48,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:07:48,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:07:48,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:07:48,015 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:07:48,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process